lǚ​shì​bù​shuǎng

time-tested

屡试不爽 屢試不爽 lǚ​shì​bù​shuǎng
time-tested
tried many times and always works; well-tried and never failing to give the same accurate result. In this context shuǎng means to make a mistake or deviate

Frequency

Movie subtitles
0.630 per million appears in 0% of films
Written text
0.553 per million

Cross-References

See

Sources